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diff --git a/tderesources/caldav/resource.h b/tderesources/caldav/resource.h
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+/*=========================================================================
+| KCalDAV
+|--------------------------------------------------------------------------
+| (c) 2010 Timothy Pearson
+| (c) 2009 Kumaran Santhanam (initial KDE4 version)
+|
+| This project is released under the GNU General Public License.
+| Please see the file COPYING for more details.
+|--------------------------------------------------------------------------
+| Main interface to the KResource system.
+ ========================================================================*/
+
+/*=========================================================================
+| INCLUDES
+ ========================================================================*/
+
+#ifndef KCAL_RESOURCECALDAV_H
+#define KCAL_RESOURCECALDAV_H
+
+#include "preferences.h"
+#include <tqthread.h>
+#include <tqptrqueue.h>
+
+#include <libkcal/resourcecached.h>
+#include <libtdepim/progressmanager.h>
+
+#include <kabc/locknull.h>
+
+#include <tdepimmacros.h>
+#include <kconfig.h>
+
+namespace KCal {
+
+class CalDavReader;
+class CalDavWriter;
+
+/*=========================================================================
+| CLASS
+ ========================================================================*/
+
+/**
+ * This class provides a resource for accessing calendars via CalDAV protocol.
+ */
+class KDE_EXPORT ResourceCalDav : public ResourceCached
+{
+ Q_OBJECT
+
+
+public:
+
+ explicit ResourceCalDav( const TDEConfig *config );
+ virtual ~ResourceCalDav();
+
+ void readConfig( const TDEConfig *config );
+ void writeConfig( TDEConfig *config );
+
+ /**
+ * @return This resource preferences.
+ */
+ CalDavPrefs* prefs() {
+ return mPrefs;
+ }
+
+ /**
+ * @return This resource preferences.
+ */
+ const CalDavPrefs* prefs() const {
+ return mPrefs;
+ }
+
+ virtual void setReadOnly(bool v);
+
+ bool isSaving();
+
+protected slots:
+
+ void loadFinished();
+
+ virtual bool doSave();
+
+ void writingFinished();
+
+ void releaseReadLockout();
+
+protected:
+
+ struct LoadingTask {
+ TQString url;
+ TQString tasksUrl;
+ TQString journalsUrl;
+ };
+
+ struct WritingTask {
+ TQString url;
+ TQString tasksUrl;
+ TQString journalsUrl;
+
+ TQString added;
+ TQString changed;
+ TQString deleted;
+
+ TQString tasksAdded;
+ TQString tasksChanged;
+ TQString tasksDeleted;
+
+ TQString journalsAdded;
+ TQString journalsChanged;
+ TQString journalsDeleted;
+ };
+
+
+ virtual bool doLoad();
+// virtual bool doSave();
+
+ virtual KABC::Lock* lock();
+
+ /**
+ * Creates prefs and configures them.
+ * @return a newly created preferences object. It should be removed by the caller.
+ */
+ CalDavPrefs* createPrefs() const;
+
+ /**
+ * Initializes internal state.
+ * Particulary, sets save and reload policies to default values,
+ * creates writing and reading jobs and preferences objects.
+ */
+ void init();
+
+ /**
+ * Updates the progress bar
+ */
+ void updateProgressBar(int direction);
+
+ /**
+ * Initiates calendar loading process.
+ * @param url URL to load calendar data from.
+ * @param tasksUrl URL to load task data from.
+ * @param journalsUrl URL to load journal data from.
+ */
+ void startLoading(const TQString& url, const TQString& tasksUrl, const TQString& journalsUrl);
+
+ /**
+ * Checks if the data is correct and can be parsed.
+ * @param data ical string to check.
+ * @return true if the data is correct, false otherwise.
+ */
+ bool checkData(const TQString& data);
+
+ /**
+ * Parses the data and adds events to the calendar.
+ * @param data calendar data.
+ * @return true on success, false on fail.
+ */
+ bool parseData(const TQString& data);
+
+ /**
+ * Parses the data and adds tasks to the calendar.
+ * @param data calendar data.
+ * @return true on success, false on fail.
+ */
+ bool parseTasksData(const TQString& data);
+
+ /**
+ * Parses the data and adds journals to the calendar.
+ * @param data calendar data.
+ * @return true on success, false on fail.
+ */
+ bool parseJournalsData(const TQString& data);
+
+ /**
+ * Initiates calendar writing process.
+ * @param url URL to save event data to.
+ * @param tasksUrl URL to save task data to.
+ * @param journalsUrl URL to save journal data to.
+ * @return true if write was queued successfully, false if not
+ */
+ bool startWriting(const TQString& url, const TQString& tasksUrl, const TQString& journalsUrl);
+
+ /**
+ * Returns a list of incidences as a valid iCalendar string.
+ * @param inc list of incidences.
+ * @return a string in iCalendar format which describes the given incidences.
+ */
+ TQString getICalString(const Incidence::List& inc);
+
+ /**
+ * Changes read-only status of incidences from a given list.
+ * @param inc list of incidences.
+ * @param readOnly read-only status that all the incidences should have after the method finishes.
+ */
+ static void setIncidencesReadOnly(Incidence::List& inc, bool readOnly);
+
+ /**
+ * Ensures incidences' read-only states are the same as the calendar's read-only state.
+ */
+ void ensureReadOnlyFlagHonored();
+
+ /**
+ * If the loading queue is empty or the loader is not ready, does nothing.
+ * Otherwise, pops a head element and starts a loading process for it.
+ */
+ void loadingQueuePop();
+
+ /**
+ * Pushes the given loading task to the loading queue.
+ * Then calls loadingQueuePop.
+ */
+ void loadingQueuePush(const LoadingTask *task);
+
+ /**
+ * If the writing queue is empty or the writer is not ready, does nothing.
+ * Otherwise, pops a head element and starts a writing process for it.
+ */
+ void writingQueuePop();
+
+ /**
+ * Pushes the given writing task to the writing queue.
+ * Then calls writingQueuePop.
+ */
+ void writingQueuePush(const WritingTask *task);
+
+ virtual bool event ( TQEvent * e );
+
+private:
+
+ // constants: =============================================================
+
+ /// Termination waiting time in milliseconds. Used to terminate job threads.
+ static const unsigned long TERMINATION_WAITING_TIME;
+
+ /**
+ * Resource caches only events which are from the interval [-CACHE_DAYS, CACHE_DAYS].
+ */
+ static const int CACHE_DAYS;
+
+ static const int DEFAULT_RELOAD_INTERVAL;
+ static const int DEFAULT_SAVE_INTERVAL;
+ static const int DEFAULT_RELOAD_POLICY;
+ static const int DEFAULT_SAVE_POLICY;
+
+ bool readLockout;
+ bool mAllWritesComplete;
+
+ // members: ===============================================================
+
+ KABC::LockNull mLock;
+ CalDavPrefs* mPrefs;
+ CalDavReader* mLoader;
+ CalDavWriter* mWriter;
+ KPIM::ProgressItem *mProgress;
+
+ bool mLoadingQueueReady;
+ TQPtrQueue<LoadingTask> mLoadingQueue;
+
+ bool mWritingQueueReady;
+ TQPtrQueue<WritingTask> mWritingQueue;
+
+ TQTimer *mWriteRetryTimer;
+
+};
+
+
+
+} // namespace KCal
+
+#endif // KCAL_RESOURCECALDAV_H
+